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If your doctor's had a long day, that might impact your prescription. Researchers say you might end up with more pills as a result of something called "decision fatigue."

A team at Brigham and Women's Hospital in Boston found that doctors prescribed more antibiotics at the end of their day. Researchers said that's because doctors get worn down by making so many decisions that by the end of the day they start making bad ones.

Charging your phone or tablet in your bedroom could have a minor effect on both your sleep and your waistline. British researchers found the little flashing light many phones use for notifications is just enough for your body to mistake it for sunlight and drop its melatonin production just a bit, and that hormone regulates both sleep and how efficiently your body metabolizes food.

Fast food places seem to be lowering the calorie counts on their menus. Researchers found that the newer menu selections at 66 major restaurant chains averaged having about 60 fewer calories, or about 12 percent of the total. The researchers said that companies are anticipating that the federal government will soon require restaurants to post calorie counts on their menus.